Finding the Fourth Proportional to 10,047.16, 13,865.04 and 5,570.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,047.16 : 13,865.04 = 5,570.89 : x
2. Step 2: Convert to fraction form
   10,047.16/13,865.04 = 5,570.89/x
3. Step 3: Cross multiply
   10,047.16x = 13,865.04 × 5,570.89
4. Step 4: Simplify right side
   10,047.16x = 77,240,612.69
5. Step 5: Solve for x
   x = 77,240,612.69/10,047.16
6. Step 6: Final answer
   x = 7,687.81